A complete changelog is available for more details about the changes and fixes implemented in this 4.10.2 maintenance release.

As always we highly encourage all users to do acomplete backup of both files and database before performing this upgrade. Please have the backup performed by your host or a developer if you’re not comfortable with performing it yourself. Always check with third party experts for compatibility with any products you use before upgrading.

Important: If you are on version 4.9.4p1 or below, you will need to follow the special steps in the upgrading documents linked below before upgrading and apply the patch mentioned.